STEVAL-CCA010V1 STMICROELECTRONICS | Alldatasheet

Document overview

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Technical content

Features

■ Operation supply from 2.25 to 5 V single power supply ■ Very low consumption: 1.7 mA ■ Ultra low power-down mode: 4 nA typ., 500 nA max. ■ Internal 6th order reconstruction filter ■ Internal gain of 6 dB ■ Rail-to-rail output buffer for 75 Ω video line ■ Excellent video performances: – Differential gain 0.5% – Differential phase 0.10° – Group delay of 10 ns ■ SAG correction ■ Bottom of video signal close to 0 V

Description

The demonstration board STEVAL-CCA010V1 is designed to evaluate the TSH122 that is a video buffer that uses a voltage feedback amplifier, with an internal gain of 6 dB, an output rail-to-rail, an internal input DC-shift and a SAG correction. A power-down function allows switching to a sleep mode with an ultra-low consumption. The TSH122 features a 6th-order internal reconstruction filter to attenuate the parasitic frequency of 27 MHz from the clock of the video DAC. The TSH122 is a single operator available in a tiny SC70 plastic package for space saving. STEVAL-CCA010V1

1 Circuit schematic

Figure 1. Schematic

2 Revision history

Table 1. Document revision history 02-Feb-2009 1 Initial release.